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74580 (1999 NE36)
Classification: Main-belt Asteroid          SPK-ID: 2074580
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1911951841749064 4.7432e-08  
a 2.267861291837667 1.075e-08 au
q 1.834257134461623 1.1034e-07 au
i 3.928681337457895 4.4604e-06 deg
node 119.680926388624 7.2203e-05 deg
peri 209.4943702818082 7.3384e-05 deg
M 21.35046821805374 1.8067e-05 deg
tp 2458926.517660197646
(2020-Mar-18.01766020)
6.2213e-05 TDB
period 1247.450035139105
3.42
8.8699e-06
2.428e-08
d
yr
n .2885887128616384 2.052e-09 deg/d
Q 2.701465449213711 1.2806e-08 au
  Orbit Determination Parameters
   # obs. used (total)      613  
   data-arc span      10861 days (29.74 yr)  
   first obs. used      1989-10-07  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56239  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:19:09  

Additional Information
 Earth MOID = .824169 au 
 Jupiter MOID = 2.64176 au 
 T_jup = 3.587 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO436304  

74580 (1999 NE36)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2008-Mar-27 05:20 < 00:01 Hebe 0.038508219213926 0.0385073671591198 0.0385090712692821 4.39694947013603 4.39694943342026 2454552.722300747 0.550688959215129 85.6447038022452 42.2629225712661 86.8135727653307 136075.11426481 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 17:19:15 2020-Feb-23 17:19

Alternate Designations
 1999 NE36 = 1989 TD7 = 2002 KU9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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